Currency changer



FIG. 1 is a front elevational view of a currency changer showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a rear elevational view; and

FIG. 4 is a top plan view.

The broken line showing of words and numbers in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a currency changer, as shown and described. 